105244351232 has 72 divisors (see below), whose sum is σ = 218155564032. Its totient is φ = 50619110400.

The previous prime is 105244351231. The next prime is 105244351241. The reversal of 105244351232 is 232153442501.

It is a super-2 number, since 2×105244351232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (105244351231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285607 + ... + 1365017.

Almost surely, 2^105244351232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105244351232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109077782016).

105244351232 is an abundant number, since it is smaller than the sum of its proper divisors (112911212800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105244351232 is an equidigital number, since it uses as much as digits as its factorization.

105244351232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79625 (or 79611 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 105244351232 its reverse (232153442501), we get a palindrome (337397793733).

The spelling of 105244351232 in words is "one hundred five billion, two hundred forty-four million, three hundred fifty-one thousand, two hundred thirty-two".